Update app.py

app.py

@@ -111,7 +111,7 @@ model_map = {
     "Main FD FFT": main_fd_fft,
     "LangChain Prefix": langchain_prefix,
     "LlamaIndex Prefix": llamaindex_prefix,
-    "DSpy Prefix": dspy_prefix,
+    "DSPy Prefix": dspy_prefix,
     "CS Evo Prefix": cs_evo_prefix,
 }